222131201233 has 4 divisors (see below), whose sum is σ = 235197742500. Its totient is φ = 209064659968.

The previous prime is 222131201231. The next prime is 222131201263. The reversal of 222131201233 is 332102131222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113816492689 + 108314708544 = 337367^2 + 329112^2 .

It is a cyclic number.

It is not a de Polignac number, because 222131201233 - 2¹ = 222131201231 is a prime.

It is a super-2 number, since 2×222131201233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222131201231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6533270608 + ... + 6533270641.

It is an arithmetic number, because the mean of its divisors is an integer number (58799435625).

Almost surely, 2^222131201233 is an apocalyptic number.

It is an amenable number.

222131201233 is a deficient number, since it is larger than the sum of its proper divisors (13066541267).

222131201233 is a wasteful number, since it uses less digits than its factorization.

222131201233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13066541266.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 222131201233 its reverse (332102131222), we get a palindrome (554233332455).

The spelling of 222131201233 in words is "two hundred twenty-two billion, one hundred thirty-one million, two hundred one thousand, two hundred thirty-three".